Optional Unit - Olympus OEP-3 Service Manual

13. Paper jamming sensor
Route: SE-542 to SE-539 to PRT-13
TP: TP512/PRT-13 board
Function: Discriminates whether print paper was fed properly or whether print paper is not left in the
mechanical unit during standby.
Level: H Print paper exists in the mechanical unit.
L Print paper does not exist in the mechanical unit.
SE-542
CN3
1 3
PH3
RPI-5100
2 4
14. Ribbon code sensor
Route: SE-544 to SE-539 to PRT-13
TP: TP552 (LED) and TP554 (PHTR)/PRT-13 board
Function: Discriminates the start mark, end mark, or cue mark of a ribbon.
Level: H Detects the cue mark of each color.
L Others
SE-544
CN5
D1
GL514A
PH5
C11 C9
PT501A
0.01uF 0.01uF
NM NM

Optional unit

The motor of a paper eject unit is driven by the control signal from pin 16 of paper eject motor drive
circuit IC9. The attachment or detachment of the unit is recognized at TP505. The motor is driven in
only the timing of delivery.
SE-539
KICK_OUT_MOTOR_BLOCK
Q614
R646
2SB962Z-T2P
220
R647
CN605
CL631
1P
R643 R644 R645
15 15
15
2P CL632
CL633
3P
CL634
4P
GND
4-36
SE-539 PRT-13
+5V
+5V
R162
150
CN104
1P 4P CN150 CN401
2P 5P 11P 20P
IC406 (7/9)
3P 6P
GND
PRT-13
SE-539
CN102 CN150 CN401
1P 1P 25P 6P
3P 3P 26P 5P
5P 5P
GND
+12V
C627
C626
100uF
0.1uF
16V
CN610
+12GND
1k
Q615
9P
2SC1623-T1-L5L6
8
12 7P
CL635
R648 R642
10k
4.7k
IC601 (7/9)
SN74LV541ANSR
+12GND
R526
10k
IC5
5 15
80P
SN74LV541ANSR
+5V IC450
(2/4)
UPC324G2-E1
IC11
10
R556
16P
33 +
8
9
-
Q453
2SC1523-T1-L5L6
+5V
R555
22k
IC5
6 -
78P
7
+
5
C552
IC450
(1/4)
470pF
UPC324G2-E1
GND
PRT-13
CN601
IC9
22P
13P
24P
15P
PAPER_JAM
RBN_CD
OEP-3 V1 (UC)